Steady-state response of a high-strength moment-resisting steel frame-self-centering steel plate shear wall system

Chuandong Xie, Xiantie Wang, George Vasdravellis

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A resilient system comprised of a high-strength moment-resisting steel frame (HS-MRF) and self-centering steel plate shear walls (SC-SPSWs) has been proposed to address the issue of frame expansion. The system's steady-state dynamic responses were analysed using an analytical solution of a single-degree-of-freedom nonlinear oscillator under harmonic excitation, solved via the method of slowly varying parameters. A stability analysis was also conducted to assess the behaviour of singular points. The hysteretic model for the proposed structure is a combination of validated bilinear, self-centering, and pinching hysteresis, representing the high-strength frame, self-centering frame, and steel plate shear wall, respectively. The results indicate that increasing the proportion of bilinear hysteresis has minimal impact on resonance but can decrease nonlinearity for lower excitation intensities. However, for higher intensities, increasing the bilinear hysteresis can significantly decrease peak responses and reduce both the jump and unbounded phenomena. Most of the unstable responses can be divided into four zones, and the unstable regions are greatly influenced by the ratio of hysteretic models. This steady-state dynamic analysis suggests that a well-designed mixture of high-strength moment-resisting steel frames and self-centering steel plate shear walls can bring a favourable seismic performance.

Original languageEnglish
Title of host publicationProceedings of the 9th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering
PublisherNational Technical University of Athens
Pages4306-4318
Number of pages13
Volume1
ISBN (Electronic)9786188507296
DOIs
Publication statusPublished - Oct 2023
Event9th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering 2023 - Athens, Greece
Duration: 12 Jun 202314 Jun 2023

Publication series

NameCOMPDYN Proceedings
ISSN (Print)2623-3347

Conference

Conference9th ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering 2023
Abbreviated titleCOMPDYN 2023
Country/TerritoryGreece
CityAthens
Period12/06/2314/06/23

Keywords

  • Frame-wall system
  • Frequency response
  • Nonlinear dynamics
  • Resilient structure
  • Stability analysis

ASJC Scopus subject areas

  • Computers in Earth Sciences
  • Geotechnical Engineering and Engineering Geology
  • Computational Mathematics
  • Civil and Structural Engineering

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